John s



(No Model.)

J. S. HALL.

AUTOMATIC OILBR.

No. 342,510. Patented May 25, 1886.

Lzvwd'or JMM zi 0 N. FUERS, P'wkvliulognpher. Wnhingtun, D C- UNITEDSTATES PATENT OFFICE.

JOHN S. HALL, OF NEW YORK, N. Y.

AUTOMATIC OILER.

{SPECIFICATION forming part of Letters Patent No. 342,510, dated May 25,1886.

Application filed October 8, 1885. Serial No. 179,296. (No modelfilPatented in England March 24, 1895, No. 3,781.

To all whom it may concern.-

Be it known that I, JOHN S. HALL, of the city, county, and State of NewYork, and a citizen of the United States, have invented an ImprovedAutomatic Oiler, (which was patented in England by Letters Patent N 0.3,781, dated March 24, 1885,) of which the following is a full, clear,and exact description, reference being had to the accompanying drawings,forming part of this specification.

Figure 1 is a vertical central sectional view of an oiler containing myinvention. Fig. 2 is a plan of the same. Fig. 3 is an end view of thecentral or air tube of the oiler, and Fig. 4 is a vertical centralsection of the said tube.

My invention relates to an oiler for afiording lubrication automaticallyto j ournal-bearings, 82c. and it consists in an automatic oiler inwhich the flow of oil therefrom is regulated by an adjustable oil-valveat the bottom of the oiler, and by an adjustable air-inlet valve abovethe line of the bottom of the oiler and below the level of the surfaceof the oil, so that the air on being admitted will pass upward throughthe oil and act as a visual indicator of the corresponding rate ofoutflow of the oil to the journal, and so that the air-valve andoil-escape valve will co-operate to regulate the rate of outflow of theoil; and it further consists in the combination,with the air-valvedevices, of the locking device hereinafter described, whereby theair-valve is locked or held in the gesired position, as and for thepurpose speci- A is the body of the oiler, and is made of glass or othertransparent material, and is closed at the top by a cap, preferably ofmetal, as shown at B. At the lower end of the cup or body is thecomparatively-restricted opening a, which is fitted with a metal cap, 0.The joints between the caps and the body are hermetically closed, whichmay be accomplished by suitable packings or washers. (Shown at a.)

D is a tube, the upper end of which is screwseated in the cap B, and atits lower end is screw-seated in the cap 0, whereby the caps may be heldtightly to the body. The upper end of the tube D extends beyond the capB, as at d, and is there provided with one or more slotted openings, d,extending longitudinally of the tube. The exterior of the end (Z of thetube is threaded.

D is a cap interiorly threaded, and adapted to be seated upon and closedown over the slots in the end cl of the tube D.

Intermediate the ends of the tube D, and within the body of the oiler,is an aperturad, in the wall of the tube. At the bottom of the body anaperture, d, is made in the wall of the tube D. From the cap D, andlongitudinally of the tube D, extends the rod or valvestem E, the lowerend of which forms or carries a valve, 6, adapted to fit into and upon avalve-seat, c, which is located interiorly of the cap 0, and from whichlongitudinally of the cap (3 extends the orifice or tube 0. Theextremity of the cap 0 is threaded, as seen at 0 whereby the device maybe seated in a j ournalbearing.

The parts are so constructed and arranged relatively to each other thatwhen the cap D is screwed down to wholly close the upper slotted end ofthe tube D the valve 6 will be closed down tightly upon its seat 0.

At 1) is shown an orifice, through which the cup may be convenientlyfilled with oil,closed by a screw-plug, Z).

The cap D is provided with an exterior annular flange, f, carrying aseries of notehes,f,' as shown, and a detent or catch, f mounted on orprovided with a spring, f, is fixed on the exterior of the cap B, toengage either of the said notches. The catch has a releasingthumb-piecaf. It is evident that the transparent cup being filled withoil air may be admitted,turning the cap D upward to open the slots inthe top of tube D. The air thus admitted will pass down the tube D,andthence, through the aperture (1 will pass upward through the body ofoil, and will cause a corresponding bulk of oil to pass through apertured and through valve 6 a into the tube 0, and so to the journal; and itis evident that the rate at which the oil flows to the journal may beregulated by the extent to which air is admitted through the slots inthe top of the tube D by the raising or lowering of the cap D, suchmovement of the cap D causing a corresponding opening or closing of thevalve 6, and that the passing of the air in bubbles upward through theoil in the body of the cup will give visual evidence ofthe rate of theoutflow of oil to the journal. It is also evident that by means of thespring-catch f and 5 flange f the cap D may be locked in any desiredposition,and will not be liable to be dis turbed by the motion orjarring of the journal.

vVhat I claim as my invention, and desire to secure by Letters Patent,is-

1. In an oiler for journals, having a transparent body, and metal capsclosing the top and bottom of said body, the combination therewith ofthe tube D, extending 1ongitudi nally of said body and screwscated insaid caps, and having apertures d, d, and d, to gether with the cap 1),rod E, and valve 6,

